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Clean Water Act discharge permit · NPDES PA0244970

DSM BIOMEDICAL INC - SIERRA DRIVE, Exton, PA: NPDES PA0244970 discharge permit, effluent exceedances, inspections, penalties

DSM BIOMEDICAL INC - SIERRA DRIVE, held by DSM BIOMED, holds NPDES permit PA0244970, which discharges to Unt To Marsh Creek. EPA’s file records it issued February 12, 2018 and expiring February 28, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedDSM BIOMEDICAL INC - SIERRA DRIVE
Permittee as filedDSM BIOMED
NPDES IDPA0244970
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 12, 2018
Expiration dateFebruary 28, 2023
Issuing agencyState Environmental Organization
AddressExton, PA 19341
Receiving waterUNT To Marsh Creek
SubwatershedMarsh Creek (HUC 020402050101)
SIC2821 – Plastics Materials And Resins

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Oxygen demand, chem. [high level] [COD]110
pH110
Solids, total suspended110
Nitrite + Nitrate total [as N]110
Phosphorus, total [as P]110
Iron, total [as Fe]110
Lead, total [as Pb]110
Zinc, total [as Zn]110
Aluminum, total [as Al]110

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PA0244970.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES PA0244970.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID PA0244970 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES PA0244970 for DSM BIOMEDICAL INC - SIERRA DRIVE in Exton, PA, held by DSM BIOMED and discharging to UNT To Marsh Creek in the Marsh Creek (HUC 020402050101) subwatershed. The permit is listed as Effective with a Minor discharger class, and the file shows 9 pollutants on file, with 0 pollutants under a numeric limit and 0 with an effluent exceedance.